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<h1 class="topictitle1">步骤2：（可选）生成最小权限Token</h1>
<div><p>后续注册Kubernetes集群，当选择了Token认证时，才需要执行本节操作生成最小权限Token。如无特殊需求，可使用超级管理员权限的Token。</p>
<div class="section"><h4 class="sectiontitle">操作步骤</h4><ol><li id="kubernetes_CSI_00077__li6288174805511"><a name="kubernetes_CSI_00077__li6288174805511"></a><a name="li6288174805511"></a><span>查询CCE集群工作节点已绑定的EIP。</span><p><ol type="a"><li>登录ManageOne运营面。</li><li>依次选择<span class="uicontrol">“服务列表 &gt; 云容器引擎CCE &gt; CCE集群”</span>，选择需要查看的Kubernetes集群名进入集群信息页面。</li><li>依次选择<span class="uicontrol">“集群 &gt; 节点管理”</span>，单击<span class="uicontrol">“节点”</span>页签，查看CCE集群所有工作节点已绑定的EIP。</li></ol>
</p></li><li><span>通过<a href="#kubernetes_CSI_00077__li6288174805511">1</a>查到的EIP地址，登录CCE集群任意一个节点。</span></li><li><span>创建集群角色资源。在Kubernetes生产集群创建文件“pm-k8s-sa-role.yaml”，并写入以下内容。</span><p><pre class="screen">apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: pm-k8s-sa-role
rules:
  - apiGroups: [ "*" ]
    resources: [ "*" ]
    verbs: [ "list", "create", "get" ]
  - apiGroups: [ "*" ]
    resources: [ "pods", "persistentvolumeclaims", "volumesnapshots" ]
    verbs: [ "delete" ]
  - apiGroups: [ "*" ]
    resources: [ "statefulsets", "replicasets", "deployments", "daemonsets", "jobs", "cronjobs" ]
    verbs: [ "patch" ]</pre>
</p></li><li><span>在Kubernetes集群的后台界面执行<strong>kubectl apply -f pm-k8s-sa-role.yaml</strong>命令，创建ClusterRole。</span></li><li><span>创建服务账户。在Kubernetes生产集群创建文件“pm-k8s-sa.yaml”，并写入以下内容。</span><p><pre class="screen">apiVersion: v1
kind: ServiceAccount
metadata:
  name: pm-k8s-sa
  namespace: kube-system</pre>
</p></li><li><span>在Kubernetes集群的后台界面执行<strong>kubectl apply -f pm-k8s-sa.yaml</strong>命令，创建ServiceAccount。</span></li><li><span>创建ClusterRoleBinding。在Kubernetes生产集群上创建文件“pm-k8s-cluster-role-binding.yaml”，并写入以下内容。</span><p><pre class="screen">apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: pm-k8s-cluster-role-binding
subjects:
- kind: ServiceAccount
  name: pm-k8s-sa      
  namespace: kube-system
roleRef:
  kind: ClusterRole
  name: pm-k8s-sa-role
  apiGroup: rbac.authorization.k8s.io</pre>
</p></li><li><span>在Kubernetes集群的后台界面执行<strong>kubectl apply -f pm-k8s-cluster-role-binding.yaml</strong>命令，创建ClusterRoleBinding。</span></li><li><span>创建Secret保存Token信息。在Kubernetes生产集群上创建文件“pm-k8s-secret.yaml”，并写入以下内容。</span><p><pre class="screen">apiVersion: v1
kind: Secret
type: kubernetes.io/service-account-token
metadata:
  namespace: kube-system
  name: pm-k8s-secret
  annotations:
    kubernetes.io/service-account.name: pm-k8s-sa</pre>
</p></li><li><span>在Kubernetes集群的后台界面执行<strong>kubectl apply -f pm-k8s-secret.yaml</strong>命令，创建Secret。</span></li><li><span>获取最小权限Token。在生产集群上执行<strong>kubectl describe secret/pm-k8s-secret -n kube-system</strong>命令，回显中“token”字段的值即为所需的最小权限Token。</span></li></ol>
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<div class="parentlink"><strong>父主题：</strong> <a href="kubernetes_CSI_00010.html">备份命名空间/数据集</a></div>
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